Finding the Third Proportional to 142,573,369,731 and 302,144,813,418

Step by Step Solution

1. Step 1: Write the proportion equation
   142,573,369,731 : 302,144,813,418 = 302,144,813,418 : x
2. Step 2: Convert to fraction form
   142,573,369,731/302,144,813,418 = 302,144,813,418/x
3. Step 3: Cross multiply
   142,573,369,731x = 302,144,813,418 × 302,144,813,418
4. Step 4: Simplify right side
   142,573,369,731x = 91,291,488,275,398,035,243,008
5. Step 5: Solve for x
   x = 91,291,488,275,398,035,243,008/142,573,369,731
6. Step 6: Final answer
   x = 640,312,341,972.71